Test Bank for Biological Psychology 13th Edition

Test Bank for Biological Psychology 13th Edition Kalat




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,1. Dendrites contain the nuclei, ribosomes, mitochondria, and other structures found in most cells.
a. True
b. False
ANSWER: False

2. Neurons receive information and transmit it to other cells.
a. True
b. False
ANSWER: True

3. Santiago Ramón y Cajal used special staining techniques to reveal that the brain is composed of individual cells.
a. True
b. False
ANSWER: True

4. An efferent axon carries information away from a structure.
a. True
b. False
ANSWER: True

5. The greater the surface area of a dendrite, the more information it can receive from other neurons.
a. True
b. False
ANSWER: True

6. Neurons are distinguished from other cells by their shape.
a. True
b. False
ANSWER: True

7. The role of glial cells is to act like “glue” or scaffolding to support the neurons.
a. True
b. False
ANSWER: False

8. Glial cells transmit information across long distances.
a. True
b. False
ANSWER: False

9. There are two types of glial cells that produce myelin sheath. In the central nervous system, Schwann cells fulfill this
role and, in the periphery, oligodendrocytes produce it.
a. True

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, b. False
ANSWER: False

10. The blood-brain barrier is made up of closely packed glial cells.
a. True
b. False
ANSWER: False

11. The difference in voltage in a resting neuron is called the resting potential.
a. True
b. False
ANSWER: True

12. Increasing the electrical gradient for potassium will reduce the tendency for potassium ions to exit the neuron.
a. True
b. False
ANSWER: True

13. At the resting potential, the potassium channels are completely closed and the sodium channels are almost closed.
a. True
b. False
ANSWER: False

14. Dr. Skinner is working in the lab measuring the voltage of neurons, and during one condition, she tried to depolarize
the neurons from -70 mV to -80 mV.
a. True
b. False
ANSWER: False

15. Action potentials can be produced in the dendrites of some neurons.
a. True
b. False
ANSWER: False

16. The two basic kinds of cells in the nervous system are _____.
a. neurons and glia
b. dendrites and axons
c. ribosomes and lysosomes
d. neurons and axons
ANSWER: a

17. Santiago Ramon y Cajal demonstrated that ____.
a. at rest, the neuron has a negative charge inside its membrane
b. neurons are separate from one another
c. neurons communicate at specialized junctions called synapses
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